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9c62d7b2d1
Since heap is already sorted, we can just check first element to see if anything is expiry, rather than popping and pushing it back. If nothing is expiry, pop operation is unnecessary. Signed-off-by: Gyuho Lee <gyuhox@gmail.com>
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
// Copyright 2018 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package lease
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import (
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"container/heap"
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"testing"
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"time"
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)
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func TestLeaseQueue(t *testing.T) {
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le := &lessor{
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leaseHeap: make(LeaseQueue, 0),
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leaseMap: make(map[LeaseID]*Lease),
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}
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heap.Init(&le.leaseHeap)
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// insert in reverse order of expiration time
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for i := 50; i >= 1; i-- {
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exp := time.Now().Add(time.Hour).UnixNano()
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if i == 1 {
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exp = time.Now().UnixNano()
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}
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le.leaseMap[LeaseID(i)] = &Lease{ID: LeaseID(i)}
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heap.Push(&le.leaseHeap, &LeaseWithTime{id: LeaseID(i), expiration: exp})
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}
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// first element must be front
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if le.leaseHeap[0].id != LeaseID(1) {
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t.Fatalf("first item expected lease ID %d, got %d", LeaseID(1), le.leaseHeap[0].id)
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}
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l, ok, more := le.expireExists()
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if l.ID != 1 {
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t.Fatalf("first item expected lease ID %d, got %d", 1, l.ID)
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}
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if !ok {
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t.Fatal("expect expiry lease exists")
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}
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if more {
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t.Fatal("expect no more expiry lease")
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}
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if le.leaseHeap.Len() != 49 {
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t.Fatalf("expected lease heap pop, got %d", le.leaseHeap.Len())
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}
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}
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